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Millville, Ohio
Inside Millville's city limits, a shallow water table limits basements on 41% of mapped land, the 3rd-highest of 10 cities in Butler County. Shrink-swell clay limits houses without basements on 2%.
That water-table share is above Butler County's 30%. FEMA's flood data list 18 flood losses since 2016 in ZIP code 45013 overlapping the city. Of its 299 homes, 92% were built before 1980; the median dates from 1958.
Data as of October 13, 2026 · sources · in Butler County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
of homes built before 1980
Basement waterproofing in Millville
Basement waterproofing in Millville: a shallow water table limits basements on 41% of Millville's mapped land, and the ZIP code overlapping Millville logged 18 FEMA flood losses since 2016.
In Butler County, 68% of the 44 flood-loss buildings with a recorded foundation type had basements.
About 300 of Millville's 299 homes are detached houses.
Soil under Millville city limits
| Expansive clay (limits slab homes) | 2.2% |
| High water table (limits basements) | 40.5% |
| Septic fields very limited | 78.9% |
| Clay swell (LEP, by area) | 3.3% |
| High-swell land (LEP 6%+) | 1.9% |
| Urban land, not rated | 14.9% |
| Mapped soil | 375 acres |
What the numbers mean here
On 41% of Millville's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 79% of the land very limited for septic absorption fields.
Drought in Butler County
0% of Butler County is in drought (D1 or worse) on the October 13, 2026 map. County detail.
Flood losses by ZIP code
FEMA flood records since 2016 in the ZIP codes that overlap Millville. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 45013 | 100% | 18 | $222,630 |
Homes in Millville
| Housing units | 299 |
| Median year built | 1958 |
| Built before 1980 | 92% |
| Built 2000 or later | 2% |
| Owner-occupied | 73% |
| Median value, owner-occupied | $203,000 |
| Single-family detached | 89% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Hamilton | 5 mi | 8% | 13% |
| New Miami | 7 mi | 2% | 3% |
| Fairfield | 7 mi | 5% | 16% |
| Seven Mile | 8 mi | 21% | 16% |
| Oxford | 9 mi | 4% | 23% |
| Forest Park | 10 mi | 3% | 10% |
| Greenhills | 11 mi | 11% | 19% |
| Trenton | 12 mi | 1% | 4% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status